Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and NOAA-19 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 1/20/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (NOAA-19) Time (NOAA-19) Lat,Lon (NOAA-19) SZA (NOAA-19 ) Distance(km) Time Diff (sec)
1 01/29/2025 19:44:20 71.02,-121.59 88.82 01/29/2025 19:43:13 71.04,-124.05 89.00 89.15 67
2 01/29/2025 20:35:18 -71.73, 44.47 90.42 01/29/2025 20:34:05 -71.72, 44.41 90.42 2.77 73
3 01/29/2025 21:26:04 71.75,-148.25 89.59 01/29/2025 21:24:56 71.76,-148.23 89.61 1.05 68
4 01/29/2025 22:16:49 -71.79, 18.99 90.38 01/29/2025 22:16:01 -71.76, 19.01 90.40 3.11 48
5 01/29/2025 23:07:34 71.75,-173.63 89.58 01/29/2025 23:06:53 71.75,-173.72 89.59 3.16 41
6 01/29/2025 23:58:19 -71.79, -6.39 90.40 01/29/2025 23:57:57 -71.81, -6.39 90.38 1.52 22
7 01/30/2025 00:49:05 71.81, 160.89 89.62 01/30/2025 00:48:49 71.80, 160.88 89.61 1.62 16
8 01/30/2025 01:39:50 -71.85, -31.87 90.35 01/30/2025 01:39:53 -71.85, -31.78 90.36 2.99 3
9 01/30/2025 02:30:35 71.81, 135.50 89.60 01/30/2025 02:30:45 71.84, 135.48 89.63 3.08 10
10 01/30/2025 03:21:20 -71.85, -57.25 90.37 01/30/2025 03:21:50 -71.85, -57.28 90.38 1.21 30
11 01/30/2025 04:12:06 71.87, 110.03 89.65 01/30/2025 04:12:41 71.89, 110.08 89.65 2.67 35
12 01/30/2025 05:02:51 -71.91, -82.73 90.33 01/30/2025 05:03:46 -71.89, -82.68 90.36 2.73 55
13 01/30/2025 05:53:36 71.88, 84.64 89.63 01/30/2025 05:54:38 71.88, 84.59 89.63 2.00 62
14 01/30/2025 06:44:26 -72.17,-108.60 90.06 01/30/2025 06:45:38 -72.14,-107.67 90.16 31.83 72
15 01/30/2025 07:35:16 72.39, 58.27 90.18 01/30/2025 07:36:25 72.38, 60.11 90.06 61.73 69

Figure of NOAA-20 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 1/20/2025
SNOs_Map_NOAA-20_NOAA-19_20250120.jpg

Download SNOs between NOAA-20 and NOAA-19 since TLE EPOCH: 01/20/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and NOAA-19